Area code 650
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North American area code 650 is a California telephone area code which includes most of San Mateo County (except the northernmost portion) and the extreme northwestern portion of Santa Clara County including Palo Alto, Mountain View, and Los Altos.
The 650 area was created by moving prefixes out of the 415 area code. A six month "permissive dialing" period where either area code would work began August 2, 1997. Mandatory dialing of the new area code started on January 31, 1998.
[edit] See also
- List of California area codes
- List of North American area codes
- North American Numbering Plan
- North American Numbering Plan Administration
- NANPA Area Code Map of California
- Whitepages Area code Map
| State of California Area Codes: 209, 213, 310, 323, 408, 415, 424, 510, 530, 559, 562, 619, 626, 650, 657 (upcoming), 661, 707, 714, 760, 805, 818, 831, 858, 909, 916, 925, 949, 951 | ||
|---|---|---|
| North: 415 | ||
| West: Pacific Ocean, 808 | area code 650 | East: 510 |
| South: 408, 831 | ||
| State of Hawaii Area Code: 808 | ||
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